The micro are mighty. An array of micron-sized circuits twist in unison to form a metamaterial terahertz lens. (Image: H. Tao et al./ Boston University)

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Article Summary

Duke University is on a roll, showing off yet another potentially game-changing property of the exotic man-made substances known as metamaterials. This time the property could have deep consequences for the transmission of information via light. Maybe the most important potential use of all.